Are We Already in a "Zombie Apocalypse?"

Are we already in a Zombie Apocalypse? Are those folks shuffling through their lives with drool draining from their lips already dead, or maybe just sleepwalking.  Look around you and see how many people are aware of what is going on aroung them. It seems like more and more people are just going through the motions, or performing the acts of their lives like somnambulists. Sleepwalking through their lives. How can we wake them up?